A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

Bonds between same-sex individuals help apes and monkeys to manage conflict and strengthen alliances, especially in dry ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

Homosexual behavior in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh ...

In downtown Chicago, a coyote spends his entire life in one cemetery, eating chicken that Sunday mourners place on the graves. On Manhattan sidewalks, ants survive on hot dogs and potato chips, ...

Animal physiology is the scientific study of the life-supporting properties, functions and processes of animals or their parts. The discipline covers key homeostatic processes, such as the regulation ...

January 8, 2026 • Some dogs have an amazing ability to learn the names of dozens, even hundreds of toys. Now, a new study suggests these super learners can pick up new words by overhearing people talk ...

Jan. 3, 2026 A one-dose oral drug called zoliflodacin has proven highly effective against gonorrhoea in a major international trial. The pill matched the success of current treatments while avoiding ...